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Radiant|Lab Grown|IGI

1.25ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG817647715

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG817647715

Diamond specifications and retailer prices

From $389 AUD
$273 USD
As of October 31, 2026
Save $1,338 AUD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,727 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817647715 or 817647715. Listed at 15 retailers as of October 31, 2026, with prices from $389 to $1,727, a $1,338 spread on the same certified stone. MOH London lists it at $1,727. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817647715
Dimensions8.24 × 5.16 × 3.45 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm5.16 mm1.25 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817647715
Side View
Table 70.0%Crown 43°Girdle: ThickPavilion 34.1°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,727 AUD|Low: $389 AUD|High: $1,808 AUD|Avg: $1,036 AUD|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 16$389 AUD
Retailer 14$403 AUD
Retailer 9$581 AUD
Retailer 8$662 AUD
Retailer 13$686 AUD
Retailer 2$744 AUD
Retailer 10$811 AUD
Retailer 11$880 AUD
Retailer 7$1,060 AUD
Retailer 5$1,182 AUD
Retailer 3$1,391 AUD
Retailer 4$1,395 AUD
Retailer 15$1,459 AUD
Retailer 12$1,503 AUD
Retailer 6$1,537 AUD
MOH London$1,727 AUD

21 data points across 16 retailers

15 retailers$389 AUD to $1,727 AUD

A
Cheapest Retailer
-
$389 AUD
$273 USD
Final sale: no returns
A
Retailer 2
-
$403 AUD
$283 USD
View
A
Retailer 3
-
$581 AUD
$408 USD
View
A
Retailer 4
-
$686 AUD
€459 EUR
View
A
Retailer 5
-
$744 AUD
ZAR 8,443 ZAR
View
A
Retailer 6
-
$811 AUD
£449 GBP
View
A
Retailer 7
-
$880 AUD
$618 USD
View
A
Retailer 8
-
$1,060 AUD
View
B+
Retailer 9
-
$1,182 AUD
$830 USD
View
B+
Retailer 10
-
$1,391 AUD
SGD 1,320 SGD
View
B+
Retailer 11
-
$1,395 AUD
$980 USD
View
B+
Retailer 12
-
$1,459 AUD
$1,025 USD
View
B+
Retailer 13
-
$1,503 AUD
$1,056 USD
View
B+
Retailer 14
-
$1,537 AUD
View
Most Expensive
B+
MOH London
LG817647715 · Nov 1
$1,727 AUD
£955 GBP
View
14 more retailers have this diamond
Prices start from $389 AUDSave up to $1,338 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.25ct Radiant
$389 AUD